* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.el-container {
    width: 960px;
    margin: 24px auto;
    position: relative;

    .el-main {
        width: 688px;
        height: 526px;
        background: rgba(255, 255, 255, 0.39);
        opacity: 1;
        border-radius: 8px;

        .introduce-title {
            width: 100%;
            height: 50px;
            border-bottom: 2px solid #E8E8E8;
            display: flex;
            align-items: center;

            span {
                margin-left: 30px;
                font-size: 20px;
                font-family: PingFang SC;
                font-weight: 500;
                color: #000000;
            }
        }

        .introduce-content {
            width: 100%;
            padding: 20px 33px;

            .content-title {
                font-size: 25px;
                font-family: PingFang SC;
                font-weight: bold;
                color: #2A2A2A;
            }

            .content-tags {
                display: flex;
                margin-top: 20px;

                .tags-item {
                    margin-right: 46px;
                    font-size: 11px;
                    font-family: PingFang SC;
                    font-weight: 500;
                    color: #656565;
                }
            }

            .content-desc {
                width: 100%;
                margin-top: 26px;
                display: flex;
                justify-content: space-between;

                .desc-left {
                    width: 345px;
                    height: 238px;
                    background: rgba(255, 255, 255, 0.39);
                    border: 1px solid #E3E3E3;
                    border-radius: 4px;
                    padding: 30px 18px;

                    .testShows {
                        margin: 0 auto;
                        width: 70px;
                        height: 18px;
                        font-size: 13px;
                        font-family: PingFang SC;
                        font-weight: bold;
                        line-height: 18px;
                        color: #000000;
                        text-align: center;
                        opacity: 1;
                        border-left: 5px solid #2D6EFF;
                        border-right: 5px solid #2D6EFF;
                    }

                    .testShows-msg {
                        margin: 0 auto;
                        width: 310px;
                        font-size: 10px;
                        font-family: PingFang SC;
                        font-weight: 500;
                        line-height: 24px;
                        color: #232323;


                    }
                }

                .desc-right {
                    width: 238px;
                    height: 238px;
                    background: rgba(255, 255, 255, 0.39);
                    border: 1px solid #E3E3E3;
                    border-radius: 4px;

                    .desc-title {
                        width: 100%;
                        background: rgba(230, 237, 255, 0.39);
                        display: flex;
                        border: 1px solid #E3E3E3;

                        .title {
                            width: 50%;
                            height: 40px;
                            line-height: 40px;
                            text-align: center;
                        }
                    }

                    .desc-type {
                        width: 100%;
                        display: flex;

                        .item-type {
                            border-top: 1px solid #F7F7F7;
                            width: 50%;
                            height: 40px;
                            line-height: 40px;
                            text-align: center;
                        }
                    }
                }
            }
        }
    }

    .el-aside {
        width: 272px;

        .introduce-aside {
            width: 256px;
            height: 346px;
            background: rgba(255, 255, 255, 0.39);
            border-radius: 8px;
            margin-left: 16px;

            .aside-title {
                width: 100%;
                height: 50px;
                border-bottom: 1px solid #E8E8E8;
                display: flex;
                align-items: center;

                span {
                    margin-left: 30px;
                    height: 50px;
                    line-height: 50px;
                    font-size: 20px;
                    font-family: PingFang SC;
                    font-weight: 500;
                    color: #000000;
                }
            }

            .aside-content {
                width: 100%;
                display: flex;
                justify-content: space-around;
                flex-wrap: wrap;
                align-items: center;

                .practiceTitle {
                    margin-left: 20px;
                    height: 48px;
                    display: flex;
                    margin-top: 40px;

                    img {
                        width: 68px;
                        height: 48px;
                        border-radius: 4px;
                    }

                    .practiceTitle-msg {
                        width: 100%;
                        height: 100%;
                        margin-left: 10px;

                        .msg-title {
                            font-size: 13px;
                            font-family: PingFang SC;
                            font-weight: bold;
                            color: #000000;
                        }

                        .msg-desc {
                            font-size: 11px;
                            font-family: PingFang SC;
                            font-weight: 500;
                            color: #656565;
                            margin-top: 14px;
                        }
                    }
                }
            }
        }
    }

    .start {
        position: absolute;
        top: 456px;
        left: 290px;
        width: 108px;
        height: 32px;
        background:#2D6EFF;
        border-radius: 4px;
        font-size: 14px;
        font-family: PingFang SC;
        font-weight: 500;
        line-height: 32px;
        text-align: center;
        color: #FFFFFF;
        cursor: pointer;
    }
}